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                    <h1 class="documentTitle">UML/BPMN Metamodel</h1>
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               <div id="sidebar"><div><div class="sidePanel" id="infoArea"><h4 class="sideTitle">INFORMATIONS</h4><ul id="docProps"><li class="property">Status</li><li class="value">Release</li><li class="property">Category</li><li class="value">Modelio user guide</li><li class="property">Version</li><li class="value">2.3.00 (Modelio 5.4)</li><li class="property">Title</li><li class="value">UML/BPMN Metamodel</li><li class="property">Author</li><li class="value">Softeam</li><li class="property">Subject</li><li class="value"> </li></ul></div><div class="sidePanel" id="shortcutArea"><h4 class="sideTitle">SHORTCUTS</h4><ul id="shortcuts"><li><a href="index.html">Home</a></li><li><a href="sitemap.html">Site Map</a></li><li><a href="modelindex.html">Model Index</a></li><li><a href="tableoffigures.html">Table of Figures</a></li></ul></div></div></div>
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                    <div id="navbar"><ul><li id="prev"><a href="199.html" title="199.html">&lt; Previous</a></li><li id="home"><a href="index.html" title="Site map">Home</a></li><li id="next"><a href="201.html" title="201.html">Next &gt;</a></li></ul></div>
                    <div id="page"><div><a name="#Table 222"><!--anchor--></a><a name="#Figure 180"><!--anchor--></a><div align="LEFT" class="Titre5" startOnNewPage="true"><a name="_0148033c-0000-0cd2-0000-000000000000"><!--anchor--></a><a name="toc1.3.1.6.3"><!--anchor--></a><span class="None">UseCase</span></div><div align="LEFT" class="Normal" startOnNewPage="false"><span class="None">Unit of externally visible functionality provided by part of a system.</span></div><div align="LEFT" class="Normal" startOnNewPage="false"><span class="None">A UseCase is expressed by sequences of Messages exchanged by system units and one or more Actors of the system. 

The definition of a UseCase includes all of the Behavior that it entails. This Behavior can be expressed by sequence diagrams, activity diagrams, Object diagrams, and so on. 

UseCases are structured by Packages, and have cooperation links with Actors. 

UseCases belong to a NameSpace.</span></div><center><img alt=": UseCase (architecture_autodiagram)" class="Image" height="450.0" src="img/3cdfbaf7-cb61-4df6-9809-85f0c41d3f11.png" usemap="#3cdfbaf7-cb61-4df6-9809-85f0c41d3f11" width="574.0"/></center><div align="CENTER" class="Lgende">Figure 180 : UseCase (architecture_autodiagram)</div><map name="3cdfbaf7-cb61-4df6-9809-85f0c41d3f11"><area alt="ExtensionPoint" coords="450,350,574,430" href="199.html#_00d00024-0000-0c00-0000-000000000000" name="3cdfbaf7-cb61-4df6-9809-85f0c41d3f11" shape="rect" title="ExtensionPoint"/><area alt="UseCaseDependency" coords="450,180,574,310" href="201.html#_0148033c-0000-0cd4-0000-000000000000" name="3cdfbaf7-cb61-4df6-9809-85f0c41d3f11" shape="rect" title="UseCaseDependency"/><area alt="GeneralClass" coords="50,0,150,80" href="237.html#_0148033c-0000-0cad-0000-000000000000" name="3cdfbaf7-cb61-4df6-9809-85f0c41d3f11" shape="rect" title="GeneralClass"/><area alt="UseCase" coords="0,180,200,450" href="200.html#_0148033c-0000-0cd2-0000-000000000000" name="3cdfbaf7-cb61-4df6-9809-85f0c41d3f11" shape="rect" title="UseCase"/></map><div id="tableContainer"><table class="ListeclaireAccent1" horizontal="true" tableStyle="ListeclaireAccent1"><caption/><tr class="odd"><th><div align="CENTER" class="Normal" startOnNewPage="false"><span class="None">Association</span></div></th><th><div align="CENTER" class="Normal" startOnNewPage="false"><span class="None">Description</span></div></th></tr><tr class="even"><td><div align="LEFT" class="Normal" startOnNewPage="false"><span class="None">Used</span><span class="None"> : </span><a href="201.html#_0148033c-0000-0cd4-0000-000000000000">UseCaseDependency</a><span class="None"> [</span><span class="None">0</span><span class="None">..</span><span class="None">*</span><span class="None">]</span></div></td><td><div align="LEFT" class="Normal" startOnNewPage="false"><span class="None">In dependencies between UseCases, this defines the link to the UseCaseDependency association.</span></div></td></tr><tr class="odd"><td><div align="LEFT" class="Normal" startOnNewPage="false"><span class="None">OwnedExtension</span><span class="None"> : </span><a href="199.html#_00d00024-0000-0c00-0000-000000000000">ExtensionPoint</a><span class="None"> [</span><span class="None">0</span><span class="None">..</span><span class="None">*</span><span class="None">]</span></div></td><td><div align="LEFT" class="Normal" startOnNewPage="false"><span class="None">References the ExtensionPoints owned by the use case.</span></div></td></tr><tr class="even"><td><div align="LEFT" class="Normal" startOnNewPage="false"><span class="None">User</span><span class="None"> : </span><a href="201.html#_0148033c-0000-0cd4-0000-000000000000">UseCaseDependency</a><span class="None"> [</span><span class="None">0</span><span class="None">..</span><span class="None">*</span><span class="None">]</span></div></td><td/></tr></table></div><div>
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